1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "printing/page_setup.h" 6 7 #include <stdlib.h> 8 #include <time.h> 9 10 #include "testing/gtest/include/gtest/gtest.h" 11 12 TEST(PageSetupTest, Random) { 13 time_t seed = time(NULL); 14 int kMax = 10; 15 srand(static_cast<unsigned>(seed)); 16 17 // Margins. 18 printing::PageMargins margins; 19 margins.header = rand() % kMax; 20 margins.footer = rand() % kMax; 21 margins.left = rand() % kMax; 22 margins.top = rand() % kMax; 23 margins.right = rand() % kMax; 24 margins.bottom = rand() % kMax; 25 int kTextHeight = rand() % kMax; 26 27 // Page description. 28 gfx::Size page_size(100 + rand() % kMax, 200 + rand() % kMax); 29 gfx::Rect printable_area(rand() % kMax, rand() % kMax, 0, 0); 30 printable_area.set_width(page_size.width() - (rand() % kMax) - 31 printable_area.x()); 32 printable_area.set_height(page_size.height() - (rand() % kMax) - 33 printable_area.y()); 34 35 // Make the calculations. 36 printing::PageSetup setup; 37 setup.SetRequestedMargins(margins); 38 setup.Init(page_size, printable_area, kTextHeight); 39 40 // Calculate the effective margins. 41 printing::PageMargins effective_margins; 42 effective_margins.header = std::max(margins.header, printable_area.y()); 43 effective_margins.left = std::max(margins.left, printable_area.x()); 44 effective_margins.top = std::max(margins.top, 45 effective_margins.header + kTextHeight); 46 effective_margins.footer = std::max(margins.footer, 47 page_size.height() - 48 printable_area.bottom()); 49 effective_margins.right = std::max(margins.right, 50 page_size.width() - 51 printable_area.right()); 52 effective_margins.bottom = std::max(margins.bottom, 53 effective_margins.footer + kTextHeight); 54 55 // Calculate the overlay area. 56 gfx::Rect overlay_area(effective_margins.left, effective_margins.header, 57 page_size.width() - effective_margins.right - 58 effective_margins.left, 59 page_size.height() - effective_margins.footer - 60 effective_margins.header); 61 62 // Calculate the content area. 63 gfx::Rect content_area(overlay_area.x(), 64 effective_margins.top, 65 overlay_area.width(), 66 page_size.height() - effective_margins.bottom - 67 effective_margins.top); 68 69 // Test values. 70 EXPECT_EQ(page_size, setup.physical_size()) << seed << " " << 71 page_size.ToString() << " " << printable_area.ToString() << 72 " " << kTextHeight; 73 EXPECT_EQ(overlay_area, setup.overlay_area()) << seed << " " << 74 page_size.ToString() << " " << printable_area.ToString() << 75 " " << kTextHeight; 76 EXPECT_EQ(content_area, setup.content_area()) << seed << " " << 77 page_size.ToString() << " " << printable_area.ToString() << 78 " " << kTextHeight; 79 80 EXPECT_EQ(effective_margins.header, setup.effective_margins().header) << 81 seed << " " << page_size.ToString() << " " << printable_area.ToString() << 82 " " << kTextHeight; 83 EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer) << 84 seed << " " << page_size.ToString() << " " << printable_area.ToString() << 85 " " << kTextHeight; 86 EXPECT_EQ(effective_margins.left, setup.effective_margins().left) << seed << 87 " " << page_size.ToString() << " " << printable_area.ToString() << 88 " " << kTextHeight; 89 EXPECT_EQ(effective_margins.top, setup.effective_margins().top) << seed << 90 " " << page_size.ToString() << " " << printable_area.ToString() << 91 " " << kTextHeight; 92 EXPECT_EQ(effective_margins.right, setup.effective_margins().right) << seed << 93 " " << page_size.ToString() << " " << printable_area.ToString() << 94 " " << kTextHeight; 95 EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom) << 96 seed << " " << page_size.ToString() << " " << printable_area.ToString() << 97 " " << kTextHeight; 98 } 99 100 TEST(PageSetupTest, HardCoded) { 101 // Margins. 102 printing::PageMargins margins; 103 margins.header = 2; 104 margins.footer = 2; 105 margins.left = 4; 106 margins.top = 4; 107 margins.right = 4; 108 margins.bottom = 4; 109 int kTextHeight = 3; 110 111 // Page description. 112 gfx::Size page_size(100, 100); 113 gfx::Rect printable_area(3, 3, 94, 94); 114 115 // Make the calculations. 116 printing::PageSetup setup; 117 setup.SetRequestedMargins(margins); 118 setup.Init(page_size, printable_area, kTextHeight); 119 120 // Calculate the effective margins. 121 printing::PageMargins effective_margins; 122 effective_margins.header = 3; 123 effective_margins.left = 4; 124 effective_margins.top = 6; 125 effective_margins.footer = 3; 126 effective_margins.right = 4; 127 effective_margins.bottom = 6; 128 129 // Calculate the overlay area. 130 gfx::Rect overlay_area(4, 3, 92, 94); 131 132 // Calculate the content area. 133 gfx::Rect content_area(4, 6, 92, 88); 134 135 // Test values. 136 EXPECT_EQ(page_size, setup.physical_size()) << " " << page_size.ToString() << 137 " " << printable_area.ToString() << " " << kTextHeight; 138 EXPECT_EQ(overlay_area, setup.overlay_area()) << " " << 139 page_size.ToString() << " " << printable_area.ToString() << 140 " " << kTextHeight; 141 EXPECT_EQ(content_area, setup.content_area()) << " " << 142 page_size.ToString() << " " << printable_area.ToString() << 143 " " << kTextHeight; 144 145 EXPECT_EQ(effective_margins.header, setup.effective_margins().header) << 146 " " << page_size.ToString() << " " << 147 printable_area.ToString() << " " << kTextHeight; 148 EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer) << 149 " " << page_size.ToString() << " " << printable_area.ToString() << 150 " " << kTextHeight; 151 EXPECT_EQ(effective_margins.left, setup.effective_margins().left) << 152 " " << page_size.ToString() << " " << printable_area.ToString() << 153 " " << kTextHeight; 154 EXPECT_EQ(effective_margins.top, setup.effective_margins().top) << 155 " " << page_size.ToString() << " " << printable_area.ToString() << 156 " " << kTextHeight; 157 EXPECT_EQ(effective_margins.right, setup.effective_margins().right) << 158 " " << page_size.ToString() << " " << printable_area.ToString() << 159 " " << kTextHeight; 160 EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom) << 161 " " << page_size.ToString() << " " << printable_area.ToString() << 162 " " << kTextHeight; 163 } 164 165 TEST(PageSetupTest, OutOfRangeMargins) { 166 printing::PageMargins margins; 167 margins.header = 0; 168 margins.footer = 0; 169 margins.left = -10; 170 margins.top = -11; 171 margins.right = -12; 172 margins.bottom = -13; 173 174 gfx::Size page_size(100, 100); 175 gfx::Rect printable_area(1, 2, 96, 94); 176 177 // Make the calculations. 178 printing::PageSetup setup; 179 setup.SetRequestedMargins(margins); 180 setup.Init(page_size, printable_area, 0); 181 182 EXPECT_EQ(setup.effective_margins().left, 1); 183 EXPECT_EQ(setup.effective_margins().top, 2); 184 EXPECT_EQ(setup.effective_margins().right, 3); 185 EXPECT_EQ(setup.effective_margins().bottom, 4); 186 187 setup.ForceRequestedMargins(margins); 188 EXPECT_EQ(setup.effective_margins().left, 0); 189 EXPECT_EQ(setup.effective_margins().top, 0); 190 EXPECT_EQ(setup.effective_margins().right, 0); 191 EXPECT_EQ(setup.effective_margins().bottom, 0); 192 } 193 194 TEST(PageSetupTest, FlipOrientation) { 195 // Margins. 196 printing::PageMargins margins; 197 margins.header = 2; 198 margins.footer = 3; 199 margins.left = 4; 200 margins.top = 14; 201 margins.right = 6; 202 margins.bottom = 7; 203 int kTextHeight = 5; 204 205 // Page description. 206 gfx::Size page_size(100, 70); 207 gfx::Rect printable_area(8, 9, 92, 50); 208 209 // Make the calculations. 210 printing::PageSetup setup; 211 setup.SetRequestedMargins(margins); 212 setup.Init(page_size, printable_area, kTextHeight); 213 214 gfx::Rect overlay_area(8, 9, 86, 50); 215 gfx::Rect content_area(8, 14, 86, 40); 216 217 EXPECT_EQ(page_size, setup.physical_size()); 218 EXPECT_EQ(overlay_area, setup.overlay_area()); 219 EXPECT_EQ(content_area, setup.content_area()); 220 221 EXPECT_EQ(setup.effective_margins().left, 8); 222 EXPECT_EQ(setup.effective_margins().top, 14); 223 EXPECT_EQ(setup.effective_margins().right, 6); 224 EXPECT_EQ(setup.effective_margins().bottom, 16); 225 226 // Flip the orientation 227 setup.FlipOrientation(); 228 229 // Expected values. 230 gfx::Size flipped_page_size(70, 100); 231 gfx::Rect flipped_printable_area(9, 0, 50, 92); 232 gfx::Rect flipped_overlay_area(9, 2, 50, 90); 233 gfx::Rect flipped_content_area(9, 14, 50, 73); 234 235 // Test values. 236 EXPECT_EQ(flipped_page_size, setup.physical_size()); 237 EXPECT_EQ(flipped_overlay_area, setup.overlay_area()); 238 EXPECT_EQ(flipped_content_area, setup.content_area()); 239 EXPECT_EQ(flipped_printable_area, setup.printable_area()); 240 241 // Margin values are updated as per the flipped values. 242 EXPECT_EQ(setup.effective_margins().left, 9); 243 EXPECT_EQ(setup.effective_margins().top, 14); 244 EXPECT_EQ(setup.effective_margins().right, 11); 245 EXPECT_EQ(setup.effective_margins().bottom, 13); 246 247 // Force requested margins and flip the orientation. 248 setup.Init(page_size, printable_area, kTextHeight); 249 setup.ForceRequestedMargins(margins); 250 EXPECT_EQ(setup.effective_margins().left, 4); 251 EXPECT_EQ(setup.effective_margins().top, 14); 252 EXPECT_EQ(setup.effective_margins().right, 6); 253 EXPECT_EQ(setup.effective_margins().bottom, 7); 254 255 // Flip the orientation 256 setup.FlipOrientation(); 257 258 // Expected values. 259 gfx::Rect new_printable_area(9, 0, 50, 92); 260 gfx::Rect new_overlay_area(4, 2, 60, 95); 261 gfx::Rect new_content_area(4, 14, 60, 79); 262 263 // Test values. 264 EXPECT_EQ(flipped_page_size, setup.physical_size()); 265 EXPECT_EQ(new_overlay_area, setup.overlay_area()); 266 EXPECT_EQ(new_content_area, setup.content_area()); 267 EXPECT_EQ(new_printable_area, setup.printable_area()); 268 269 // Margins values are changed respectively. 270 EXPECT_EQ(setup.effective_margins().left, 4); 271 EXPECT_EQ(setup.effective_margins().top, 14); 272 EXPECT_EQ(setup.effective_margins().right, 6); 273 EXPECT_EQ(setup.effective_margins().bottom, 7); 274 } 275
